Missing Exercises

students/FyfyNguyen/session06/mailroom4.py

@@ -0,0 +1,200 @@
+#!/usr/bin/env python3
+
+"""
+Mailroom 4
+"""
+
+import sys
+import tempfile
+import pathlib
+from textwrap import dedent
+
+donor_db = {"Robyn Rihanna": [100, 200, 300],
+            "Ariana Grande": [2250, 4000, 1000],
+            "Beyonce Carter-Knowles": [150000, 3500, 25000],
+            "Aubrey Drake Graham": [15000, 5500.25, 1200],
+            "Justin Bieber": [2500, 250, 750.50]
+            }
+
+file_dir = pathlib.Path(tempfile.gettempdir())
+
+
+def print_donors():
+    """
+    Prints a list of exiting donors in donor_db
+    """
+    for donor in donor_db:
+        print(donor)
+
+
+def find_donor(name_entered):
+    """
+    Lookup donor in donor_db
+
+    :param: the name of the donor
+    :returns: the donor data structure -- None if donor not found in donor_db
+    """
+    donor_key = name_entered.strip().title()
+    return donor_db.get(donor_key)
+
+
+def add_new_donor(name_entered):
+    """
+    Add a new donor to donor_db
+
+    :param: the name of the donor
+    :returns: the new donor data structure
+    """
+    donor = (name_entered, [])
+    donor_db[name_entered.title()] = []
+    print("Successfully added new donor to database.")
+    ask_donation(name_entered)
+
+
+def update_donation(name_entered, donation):
+    donor_db.setdefault(name_entered.title(), []).append(donation)
+    print("Successfully updated donation amount.")
+    send_thank_you(name_entered, donation)
+
+
+def ask_donation(name_entered):
+    """
+    Ask the user for donation amount
+
+    :param: the name of the donor
+    """
+    donation = float(input("Enter donation amount >>> "))
+    update_donation(name_entered, donation)
+
+
+def confirm_donor(name_entered):
+    """
+    Confirm the user wants to add a new donor to donor_db
+
+    :param: the name of the donor
+    """
+    response = input(f"Donor does not exist. Add {name_entered.title()} to "
+                     "database? [y/n?] >>> ")
+    if response.strip() == 'y':
+        add_new_donor(name_entered)
+    else:
+        return
+
+
+def send_thank_you(name_entered, donation):
+    """
+    Generate a thank you letter to the donor
+
+    :param: the name of the donor
+    :param: the donation amount
+    :returns:string with letter
+    """
+    return dedent("""Dear {},
+
+            Your generous ${:,.2f} donation just made our day!
+
+                Thank you!
+                -Our Charity
+        """.format(name_entered.title(), donation))
+
+
+def thank_you():
+    """
+    Execute the logic to record a donation and generate a thank you message
+    """
+    while True:
+        name_entered = input("Enter the name of a donor or 'list' to view "
+                             "donors >>> ").lower().strip()
+        if name_entered.strip() == "list":
+            print_donors()
+        else:
+            break
+
+    donor = find_donor(name_entered)
+    if donor is None:
+        confirm_donor(name_entered)
+    else:
+        ask_donation(name_entered)
+
+
+def thank_you_all():
+    """
+    Generate a letter for each donor and save it to temporary directory
+    """
+    for donor in donor_db:
+        letters = send_thank_you(donor, donor_db[donor][-1])
+        file_path = file_dir / (donor.replace(" ", "_") + ".txt")
+        with open(file_path, 'w') as f:
+            f.write(letters)
+    print(f'Files downloaded to: {file_dir}')
+
+
+def sort_key(donor):
+    return donor
+
+
+def create_report():
+    """
+    Generate report of donors and the amounts donated
+
+    :returns: the donor report as a string
+    """
+    report_rows = []
+    for name, donations in donor_db.items():
+        total_given = sum(donations)
+        num_gifts = len(donations)
+        avg_gifts = total_given / num_gifts
+        report_rows.append((name, num_gifts, num_gifts, avg_gifts))
+
+    report_rows.sort(key=sort_key)
+    report = []
+    report.append("{:30s} | {:11s} | {:9s} | {:12s}".format("Donor Name",
+                                                            "Total Given",
+                                                            "Num Gifts",
+                                                            "Average Gift"
+                                                            ))
+    report.append("-" * 72)
+    for row in report_rows:
+        report.append("{:30s} | {:11d} | {:9d} | ${:12,.2f}".format(*row))
+    return "\n".join(report)
+
+
+def print_report():
+    print(create_report())
+
+
+def exit_program():
+    """
+    Quit the program
+    """
+    print("Exiting Program. Goodbye!")
+    sys.exit()
+
+
+def main_menu():
+    selection = input(dedent("""
+        Welcome to Mailroom!
+
+        Select an option:
+
+        1 - Create a Report
+        2 - Send Thank You to a single donor
+        3 - Send Thank You to all donors
+        4 - Quit
+
+        >>> """))
+    return selection.strip()
+
+
+if __name__ == "__main__":
+    menu_selections = {"1": print_report,
+                       "2": thank_you,
+                       "3": thank_you_all,
+                       "4": exit_program}
+
+    while True:
+        user_selection = main_menu()
+        try:
+            menu_selections[user_selection]()
+        except KeyError:
+            print("Error: Invalid Selection. Select from the main menu.")

students/FyfyNguyen/session06/test_mailroom4.py

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+#!/usr/bin/env python3
+
+"""
+Mailroom 4 tests
+"""
+
+import pytest
+import os
+import pathlib
+import mailroom4 as mr
+
+
+def test_print_donors():
+    listing = mr.print_donors()
+    assert "Robyn Rihanna" in listing
+    assert "Aubrey Drake Graham" in listing
+
+
+def test_find_donor():
+    donor = mr.find_donor("beyonce caRter Knowles ")
+    assert donor[0] == "Beyonce Carter Knowles"
+
+
+def test_if_not_find_donor():
+    donor = mr.find_donor("Beyonce Carter Knowles")
+    assert donor is None
+
+
+def test_add_new_donor():
+    name = " Jennifer Lopez"
+    donor = mr.add_new_donor(name)
+    donor[1].append(750)
+    assert donor[0] == "Jennifer Lopez"
+    assert donor[1] == [750]
+    assert mailroom.find_donor(name) == donor
+
+
+def test_create_report():
+    result = mr.create_report()
+    assert result.startswith("Donor Name                     | Total Given | Num Gifts | Average Gift")
+    assert "------------------------------------------------------------------------" in result
+    assert "Ariana Grande                  |           3 |         3 | $    2,416.67" in result
+
+
+def test_thank_you():
+    result = mr.thank_you("Chrissy Teigen", 4500)
+    assert "Dear Chrissy Teigen," in result
+    assert "$4,500.00" in result
+    assert "4500" not in result
+
+
+def test_thank_you_all():
+    result = mr.thank_you_all("Fyfy Nguyen")
+    assert result.name == "Fyfy_Nguyen.txt"
+
+
+def test_thank_you_all_files():
+    mr.thank_you_all()
+    for donor in mr.donor_db.items():
+        file_path = mr.thank_you_all